1 files changed, 106 insertions, 35 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 650e1a91a8..bf362e21a4 100644..100755
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -2,56 +2,127 @@
  * @file postDeferredF.glsl
  *
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
 
 #extension GL_ARB_texture_rectangle : enable
 
-uniform sampler2DRect diffuseRect;
-uniform sampler2DRect localLightMap;
-uniform sampler2DRect sunLightMap;
-uniform sampler2DRect giLightMap;
-uniform sampler2D	  luminanceMap;
-uniform sampler2DRect lightMap;
-
-uniform vec3 lum_quad;
-uniform float lum_lod;
-uniform vec4 ambient;
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
 
-uniform vec3 gi_quad;
+uniform sampler2DRect diffuseRect;
 
+uniform mat4 inv_proj;
 uniform vec2 screen_res;
-varying vec2 vary_fragcoord;
+uniform float max_cof;
+uniform float res_scale;
 
-void main() 
+VARYING vec2 vary_fragcoord;
+
+void dofSample(inout vec4 diff, inout float w, float min_sc, vec2 tc)
 {
-	vec2 tc = vary_fragcoord.xy;
-	vec3 lum = texture2DLod(luminanceMap, tc/screen_res, lum_lod).rgb;
-	float luminance = lum.r;
-	luminance = luminance*lum_quad.y+lum_quad.z;
+	vec4 s = texture2DRect(diffuseRect, tc);
 
-	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
+	float sc = abs(s.a*2.0-1.0)*max_cof;
 
-	float ambocc = texture2DRect(lightMap, vary_fragcoord.xy).g;
-			
-	vec3 gi_col = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
-	gi_col = gi_col*gi_col*gi_quad.x + gi_col*gi_quad.y+gi_quad.z*ambocc*ambient.rgb;
-	gi_col *= diff;
-	
-	vec4 sun_col =	texture2DRect(sunLightMap, vary_fragcoord.xy);
-	
-	vec3 local_col = texture2DRect(localLightMap, vary_fragcoord.xy).rgb;
+	if (sc > min_sc) //sampled pixel is more "out of focus" than current sample radius
+	{
+		float wg = 0.25;
 		
+		// de-weight dull areas to make highlights 'pop'
+		wg += s.r+s.g+s.b;
+	
+		diff += wg*s;
 		
-	sun_col *= 1.0/min(luminance, 1.0);
-	gi_col *= 1.0/luminance;
+		w += wg;
+	}
+}
+
+void dofSampleNear(inout vec4 diff, inout float w, float min_sc, vec2 tc)
+{
+	vec4 s = texture2DRect(diffuseRect, tc);
+
+	float wg = 0.25;
+
+	// de-weight dull areas to make highlights 'pop'
+	wg += s.r+s.g+s.b;
+
+	diff += wg*s;
 		
-	vec3 col = sun_col.rgb+gi_col+local_col;
-	
-	gl_FragColor.rgb = col.rgb;
-	col.rgb = max(col.rgb-vec3(1.0,1.0,1.0), vec3(0.0, 0.0, 0.0)); 
+	w += wg;
+}
+
+void main() 
+{
+	vec2 tc = vary_fragcoord.xy;
 	
-	gl_FragColor.a = 0.0; // max(dot(col.rgb,col.rgb)*lum_quad.x, sun_col.a);
+	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
 	
-	//gl_FragColor.rgb = vec3(lum_lod);
+	{ 
+		float w = 1.0;
+		
+		float sc = (diff.a*2.0-1.0)*max_cof;
+			
+		float PI = 3.14159265358979323846264;
+
+		// sample quite uniformly spaced points within a circle, for a circular 'bokeh'		
+		if (sc > 0.5)
+		{
+			while (sc > 0.5)
+			{
+				int its = int(max(1.0,(sc*3.7)));
+				for (int i=0; i<its; ++i)
+				{
+					float ang = sc+i*2*PI/its; // sc is added for rotary perturbance
+					float samp_x = sc*sin(ang);
+					float samp_y = sc*cos(ang);
+					// you could test sample coords against an interesting non-circular aperture shape here, if desired.
+					dofSampleNear(diff, w, sc, vary_fragcoord.xy + vec2(samp_x,samp_y));
+				}
+				sc -= 1.0;
+			}
+		}
+		else if (sc < -0.5)
+		{
+			sc = abs(sc);
+			while (sc > 0.5)
+			{
+				int its = int(max(1.0,(sc*3.7)));
+				for (int i=0; i<its; ++i)
+				{
+					float ang = sc+i*2*PI/its; // sc is added for rotary perturbance
+					float samp_x = sc*sin(ang);
+					float samp_y = sc*cos(ang);
+					// you could test sample coords against an interesting non-circular aperture shape here, if desired.
+					dofSample(diff, w, sc, vary_fragcoord.xy + vec2(samp_x,samp_y));
+				}
+				sc -= 1.0;
+			}
+		}
+
+		diff /= w;
+	}
+		
+	frag_color = diff;
 }